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20130115
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a lot more comfortable. health and science reporter carolyn johnson has the details. >> helen sue is all smiles when she plays with her newborn son. she has benefited for the popular invisoline braces. it's to adjust them is departure from traditional molds used by other doctors. >> it's called the health scanner. we can have study models without taking the immaterial presentations. >> first they reach for the scanner that will photograph her teeth. it's connected to a computer system that will beam the images from her practice in san francisco to the itero lab. over the next several minutes the doctor guides the camera around ellen's up and lower jaw line. it's optical. >> these little areas right there. >> step by step they build a map of her teeth. computer alerts the dentist they don't have a complete image so it can be rephotographed. >> it's very accurate. >> it's quicker than traditional impressions. >> you have to leave the material that does not taste good from three to five minutes. if it wasn't a good impression they would have to take another one. >> cost can vary by practice
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